r546

Sound Barriers!

This would be useful if you wanted something to block out sound or Music.

What Material Blocks sound The best?

Does density of material determine how well sound is block

More dense, thicker material will block sound BETTER

Graph of Hypothesis

Variables;

Independent Variable: Sound Or Music

Dependent Variable: Material

Variables That Need To Be Controlled: Backround Noise

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General Plan

My general plan is to place different materials in front of speakers playing music

Safety: Need ear protection from loud Music or sound, Disturbance of peace, Headaches

Experimental Design

(add the correct headings from the experimental design page before beginning)

Resources and Budget Table

Item	Number needed	Where I will get this	Cost
	Poster Board	STAPLES	4.00
	Stereo	N/A
	Paper	N/A
	Wood Panel	Home Depot	7.50
	Music Disc	N/A

Detailed Procedure

My procedure is to first play the music and have someone rate the sound level on a scale from one to 10, ten being the loudest, one being the most quiet. To test if the density effects how well sound is blocked, items will be placed in-front of the speakers to see if the sound is blocked or the sound isnt blocked

Diagram

Photo List

Time Line

February 16 - Start Experiment
February 20 - Finish Experiment
March 29 - Science fair

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Data Table

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Data Analysis

All Raw Data

Graphs

Photos

Results

Conclusion

Discussion

Benefit to Community and/or Science

Background Research

References

Abstract